With the world rapidly moving towards digitization, cybersecurity has become a critical issue. Expert systems have emerged as a game-changer in the field of cybersecurity, offering businesses and individuals an effective solution to protect against cyber-attacks. In this article, we will explore the role of expert systems in cybersecurity and how they are helping us to stay safe in the digital age. Introduction: In today's fast-paced world, digital technology has become an integral part of our lives. From online banking to social media, we rely heavily on the internet for various purposes. However, with the increasing reliance on digital technology, the risk of cyber-attacks has also increased significantly. Cyber threats such as data breaches, phishing attacks, malware, and ransomware have become common, putting businesses and individuals at risk of financial and reputational damage. In this context, expert systems have emerged as an essential tool to ensure cybersecurity. The Rol